--- /dev/null
+/* Define ISO C stdio on top of C++ iostreams.
+ Copyright (C) 1991-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * ISO C99 Standard: 7.19 Input/output <stdio.h>
+ */
+
+#ifndef _STDIO_H
+#define _STDIO_H 1
+
+#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
+#include <bits/libc-header-start.h>
+
+__BEGIN_DECLS
+
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+#define __need___va_list
+#include <stdarg.h>
+
+#include <bits/types.h>
+#include <bits/types/__fpos_t.h>
+#include <bits/types/__fpos64_t.h>
+#include <bits/types/__FILE.h>
+#include <bits/types/FILE.h>
+#include <bits/types/struct_FILE.h>
+
+#ifdef __USE_GNU
+# include <bits/types/cookie_io_functions_t.h>
+#endif
+
+#if defined __USE_XOPEN || defined __USE_XOPEN2K8
+# ifdef __GNUC__
+# ifndef _VA_LIST_DEFINED
+typedef __gnuc_va_list va_list;
+# define _VA_LIST_DEFINED
+# endif
+# else
+# include <stdarg.h>
+# endif
+#endif
+
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
+# ifndef __off_t_defined
+# ifndef __USE_FILE_OFFSET64
+typedef __off_t off_t;
+# else
+typedef __off64_t off_t;
+# endif
+# define __off_t_defined
+# endif
+# if defined __USE_LARGEFILE64 && !defined __off64_t_defined
+typedef __off64_t off64_t;
+# define __off64_t_defined
+# endif
+#endif
+
+#ifdef __USE_XOPEN2K8
+# ifndef __ssize_t_defined
+typedef __ssize_t ssize_t;
+# define __ssize_t_defined
+# endif
+#endif
+
+/* The type of the second argument to `fgetpos' and `fsetpos'. */
+#ifndef __USE_FILE_OFFSET64
+typedef __fpos_t fpos_t;
+#else
+typedef __fpos64_t fpos_t;
+#endif
+#ifdef __USE_LARGEFILE64
+typedef __fpos64_t fpos64_t;
+#endif
+
+/* The possibilities for the third argument to `setvbuf'. */
+#define _IOFBF 0 /* Fully buffered. */
+#define _IOLBF 1 /* Line buffered. */
+#define _IONBF 2 /* No buffering. */
+
+
+/* Default buffer size. */
+#define BUFSIZ 8192
+
+
+/* The value returned by fgetc and similar functions to indicate the
+ end of the file. */
+#define EOF (-1)
+
+
+/* The possibilities for the third argument to `fseek'.
+ These values should not be changed. */
+#define SEEK_SET 0 /* Seek from beginning of file. */
+#define SEEK_CUR 1 /* Seek from current position. */
+#define SEEK_END 2 /* Seek from end of file. */
+#ifdef __USE_GNU
+# define SEEK_DATA 3 /* Seek to next data. */
+# define SEEK_HOLE 4 /* Seek to next hole. */
+#endif
+
+
+#if defined __USE_MISC || defined __USE_XOPEN
+/* Default path prefix for `tempnam' and `tmpnam'. */
+# define P_tmpdir "/tmp"
+#endif
+
+
+/* Get the values:
+ L_tmpnam How long an array of chars must be to be passed to `tmpnam'.
+ TMP_MAX The minimum number of unique filenames generated by tmpnam
+ (and tempnam when it uses tmpnam's name space),
+ or tempnam (the two are separate).
+ L_ctermid How long an array to pass to `ctermid'.
+ L_cuserid How long an array to pass to `cuserid'.
+ FOPEN_MAX Minimum number of files that can be open at once.
+ FILENAME_MAX Maximum length of a filename. */
+#include <bits/stdio_lim.h>
+
+
+/* Standard streams. */
+extern FILE *stdin; /* Standard input stream. */
+extern FILE *stdout; /* Standard output stream. */
+extern FILE *stderr; /* Standard error output stream. */
+/* C89/C99 say they're macros. Make them happy. */
+#define stdin stdin
+#define stdout stdout
+#define stderr stderr
+
+/* Remove file FILENAME. */
+extern int remove (const char *__filename) __THROW;
+/* Rename file OLD to NEW. */
+extern int rename (const char *__old, const char *__new) __THROW;
+
+#ifdef __USE_ATFILE
+/* Rename file OLD relative to OLDFD to NEW relative to NEWFD. */
+extern int renameat (int __oldfd, const char *__old, int __newfd,
+ const char *__new) __THROW;
+#endif
+
+#ifdef __USE_GNU
+/* Flags for renameat2. */
+# define RENAME_NOREPLACE (1 << 0)
+# define RENAME_EXCHANGE (1 << 1)
+# define RENAME_WHITEOUT (1 << 2)
+
+/* Rename file OLD relative to OLDFD to NEW relative to NEWFD, with
+ additional flags. */
+extern int renameat2 (int __oldfd, const char *__old, int __newfd,
+ const char *__new, unsigned int __flags) __THROW;
+#endif
+
+/* Create a temporary file and open it read/write.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+#ifndef __USE_FILE_OFFSET64
+extern FILE *tmpfile (void) __wur;
+#else
+# ifdef __REDIRECT
+extern FILE *__REDIRECT (tmpfile, (void), tmpfile64) __wur;
+# else
+# define tmpfile tmpfile64
+# endif
+#endif
+
+#ifdef __USE_LARGEFILE64
+extern FILE *tmpfile64 (void) __wur;
+#endif
+
+/* Generate a temporary filename. */
+extern char *tmpnam (char *__s) __THROW __wur;
+
+#ifdef __USE_MISC
+/* This is the reentrant variant of `tmpnam'. The only difference is
+ that it does not allow S to be NULL. */
+extern char *tmpnam_r (char *__s) __THROW __wur;
+#endif
+
+
+#if defined __USE_MISC || defined __USE_XOPEN
+/* Generate a unique temporary filename using up to five characters of PFX
+ if it is not NULL. The directory to put this file in is searched for
+ as follows: First the environment variable "TMPDIR" is checked.
+ If it contains the name of a writable directory, that directory is used.
+ If not and if DIR is not NULL, that value is checked. If that fails,
+ P_tmpdir is tried and finally "/tmp". The storage for the filename
+ is allocated by `malloc'. */
+extern char *tempnam (const char *__dir, const char *__pfx)
+ __THROW __attribute_malloc__ __wur;
+#endif
+
+
+/* Close STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fclose (FILE *__stream);
+/* Flush STREAM, or all streams if STREAM is NULL.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fflush (FILE *__stream);
+
+#ifdef __USE_MISC
+/* Faster versions when locking is not required.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fflush_unlocked (FILE *__stream);
+#endif
+
+#ifdef __USE_GNU
+/* Close all streams.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fcloseall (void);
+#endif
+
+
+#ifndef __USE_FILE_OFFSET64
+/* Open a file and create a new stream for it.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern FILE *fopen (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
+/* Open a file, replacing an existing stream with it.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern FILE *freopen (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream) __wur;
+#else
+# ifdef __REDIRECT
+extern FILE *__REDIRECT (fopen, (const char *__restrict __filename,
+ const char *__restrict __modes), fopen64)
+ __wur;
+extern FILE *__REDIRECT (freopen, (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream), freopen64)
+ __wur;
+# else
+# define fopen fopen64
+# define freopen freopen64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern FILE *fopen64 (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
+extern FILE *freopen64 (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream) __wur;
+#endif
+
+#ifdef __USE_POSIX
+/* Create a new stream that refers to an existing system file descriptor. */
+extern FILE *fdopen (int __fd, const char *__modes) __THROW __wur;
+#endif
+
+#ifdef __USE_GNU
+/* Create a new stream that refers to the given magic cookie,
+ and uses the given functions for input and output. */
+extern FILE *fopencookie (void *__restrict __magic_cookie,
+ const char *__restrict __modes,
+ cookie_io_functions_t __io_funcs) __THROW __wur;
+#endif
+
+#if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2)
+/* Create a new stream that refers to a memory buffer. */
+extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
+ __THROW __wur;
+
+/* Open a stream that writes into a malloc'd buffer that is expanded as
+ necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
+ and the number of characters written on fflush or fclose. */
+extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW __wur;
+#endif
+
+
+/* If BUF is NULL, make STREAM unbuffered.
+ Else make it use buffer BUF, of size BUFSIZ. */
+extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW;
+/* Make STREAM use buffering mode MODE.
+ If BUF is not NULL, use N bytes of it for buffering;
+ else allocate an internal buffer N bytes long. */
+extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
+ int __modes, size_t __n) __THROW;
+
+#ifdef __USE_MISC
+/* If BUF is NULL, make STREAM unbuffered.
+ Else make it use SIZE bytes of BUF for buffering. */
+extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
+ size_t __size) __THROW;
+
+/* Make STREAM line-buffered. */
+extern void setlinebuf (FILE *__stream) __THROW;
+#endif
+
+
+/* Write formatted output to STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fprintf (FILE *__restrict __stream,
+ const char *__restrict __format, ...);
+/* Write formatted output to stdout.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int printf (const char *__restrict __format, ...);
+/* Write formatted output to S. */
+extern int sprintf (char *__restrict __s,
+ const char *__restrict __format, ...) __THROWNL;
+
+/* Write formatted output to S from argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
+ __gnuc_va_list __arg);
+/* Write formatted output to stdout from argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);
+/* Write formatted output to S from argument list ARG. */
+extern int vsprintf (char *__restrict __s, const char *__restrict __format,
+ __gnuc_va_list __arg) __THROWNL;
+
+#if defined __USE_ISOC99 || defined __USE_UNIX98
+/* Maximum chars of output to write in MAXLEN. */
+extern int snprintf (char *__restrict __s, size_t __maxlen,
+ const char *__restrict __format, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 3, 4)));
+
+extern int vsnprintf (char *__restrict __s, size_t __maxlen,
+ const char *__restrict __format, __gnuc_va_list __arg)
+ __THROWNL __attribute__ ((__format__ (__printf__, 3, 0)));
+#endif
+
+#if __GLIBC_USE (LIB_EXT2)
+/* Write formatted output to a string dynamically allocated with `malloc'.
+ Store the address of the string in *PTR. */
+extern int vasprintf (char **__restrict __ptr, const char *__restrict __f,
+ __gnuc_va_list __arg)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
+extern int __asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+extern int asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+#endif
+
+#ifdef __USE_XOPEN2K8
+/* Write formatted output to a file descriptor. */
+extern int vdprintf (int __fd, const char *__restrict __fmt,
+ __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+extern int dprintf (int __fd, const char *__restrict __fmt, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+#endif
+
+
+/* Read formatted input from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fscanf (FILE *__restrict __stream,
+ const char *__restrict __format, ...) __wur;
+/* Read formatted input from stdin.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int scanf (const char *__restrict __format, ...) __wur;
+/* Read formatted input from S. */
+extern int sscanf (const char *__restrict __s,
+ const char *__restrict __format, ...) __THROW;
+
+#if defined __USE_ISOC99 && !defined __USE_GNU \
+ && (!defined __LDBL_COMPAT || !defined __REDIRECT) \
+ && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+# ifdef __REDIRECT
+/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[
+ GNU extension which conflicts with valid %a followed by letter
+ s, S or [. */
+extern int __REDIRECT (fscanf, (FILE *__restrict __stream,
+ const char *__restrict __format, ...),
+ __isoc99_fscanf) __wur;
+extern int __REDIRECT (scanf, (const char *__restrict __format, ...),
+ __isoc99_scanf) __wur;
+extern int __REDIRECT_NTH (sscanf, (const char *__restrict __s,
+ const char *__restrict __format, ...),
+ __isoc99_sscanf);
+# else
+extern int __isoc99_fscanf (FILE *__restrict __stream,
+ const char *__restrict __format, ...) __wur;
+extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
+extern int __isoc99_sscanf (const char *__restrict __s,
+ const char *__restrict __format, ...) __THROW;
+# define fscanf __isoc99_fscanf
+# define scanf __isoc99_scanf
+# define sscanf __isoc99_sscanf
+# endif
+#endif
+
+#ifdef __USE_ISOC99
+/* Read formatted input from S into argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
+ __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
+
+/* Read formatted input from stdin into argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
+
+/* Read formatted input from S into argument list ARG. */
+extern int vsscanf (const char *__restrict __s,
+ const char *__restrict __format, __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
+
+# if !defined __USE_GNU \
+ && (!defined __LDBL_COMPAT || !defined __REDIRECT) \
+ && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+# ifdef __REDIRECT
+/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[
+ GNU extension which conflicts with valid %a followed by letter
+ s, S or [. */
+extern int __REDIRECT (vfscanf,
+ (FILE *__restrict __s,
+ const char *__restrict __format, __gnuc_va_list __arg),
+ __isoc99_vfscanf)
+ __attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
+extern int __REDIRECT (vscanf, (const char *__restrict __format,
+ __gnuc_va_list __arg), __isoc99_vscanf)
+ __attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
+extern int __REDIRECT_NTH (vsscanf,
+ (const char *__restrict __s,
+ const char *__restrict __format,
+ __gnuc_va_list __arg), __isoc99_vsscanf)
+ __attribute__ ((__format__ (__scanf__, 2, 0)));
+# else
+extern int __isoc99_vfscanf (FILE *__restrict __s,
+ const char *__restrict __format,
+ __gnuc_va_list __arg) __wur;
+extern int __isoc99_vscanf (const char *__restrict __format,
+ __gnuc_va_list __arg) __wur;
+extern int __isoc99_vsscanf (const char *__restrict __s,
+ const char *__restrict __format,
+ __gnuc_va_list __arg) __THROW;
+# define vfscanf __isoc99_vfscanf
+# define vscanf __isoc99_vscanf
+# define vsscanf __isoc99_vsscanf
+# endif
+# endif
+#endif /* Use ISO C9x. */
+
+
+/* Read a character from STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern int fgetc (FILE *__stream);
+extern int getc (FILE *__stream);
+
+/* Read a character from stdin.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int getchar (void);
+
+#ifdef __USE_POSIX199506
+/* These are defined in POSIX.1:1996.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern int getc_unlocked (FILE *__stream);
+extern int getchar_unlocked (void);
+#endif /* Use POSIX. */
+
+#ifdef __USE_MISC
+/* Faster version when locking is not necessary.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fgetc_unlocked (FILE *__stream);
+#endif /* Use MISC. */
+
+
+/* Write a character to STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW.
+
+ These functions is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fputc (int __c, FILE *__stream);
+extern int putc (int __c, FILE *__stream);
+
+/* Write a character to stdout.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int putchar (int __c);
+
+#ifdef __USE_MISC
+/* Faster version when locking is not necessary.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fputc_unlocked (int __c, FILE *__stream);
+#endif /* Use MISC. */
+
+#ifdef __USE_POSIX199506
+/* These are defined in POSIX.1:1996.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern int putc_unlocked (int __c, FILE *__stream);
+extern int putchar_unlocked (int __c);
+#endif /* Use POSIX. */
+
+
+#if defined __USE_MISC \
+ || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
+/* Get a word (int) from STREAM. */
+extern int getw (FILE *__stream);
+
+/* Write a word (int) to STREAM. */
+extern int putw (int __w, FILE *__stream);
+#endif
+
+
+/* Get a newline-terminated string of finite length from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
+ __wur;
+
+#if __GLIBC_USE (DEPRECATED_GETS)
+/* Get a newline-terminated string from stdin, removing the newline.
+
+ This function is impossible to use safely. It has been officially
+ removed from ISO C11 and ISO C++14, and we have also removed it
+ from the _GNU_SOURCE feature list. It remains available when
+ explicitly using an old ISO C, Unix, or POSIX standard.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern char *gets (char *__s) __wur __attribute_deprecated__;
+#endif
+
+#ifdef __USE_GNU
+/* This function does the same as `fgets' but does not lock the stream.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern char *fgets_unlocked (char *__restrict __s, int __n,
+ FILE *__restrict __stream) __wur;
+#endif
+
+
+#if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2)
+/* Read up to (and including) a DELIMITER from STREAM into *LINEPTR
+ (and null-terminate it). *LINEPTR is a pointer returned from malloc (or
+ NULL), pointing to *N characters of space. It is realloc'd as
+ necessary. Returns the number of characters read (not including the
+ null terminator), or -1 on error or EOF.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
+extern __ssize_t __getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+extern __ssize_t getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+
+/* Like `getdelim', but reads up to a newline.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern __ssize_t getline (char **__restrict __lineptr,
+ size_t *__restrict __n,
+ FILE *__restrict __stream) __wur;
+#endif
+
+
+/* Write a string to STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
+
+/* Write a string, followed by a newline, to stdout.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int puts (const char *__s);
+
+
+/* Push a character back onto the input buffer of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int ungetc (int __c, FILE *__stream);
+
+
+/* Read chunks of generic data from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern size_t fread (void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+/* Write chunks of generic data to STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern size_t fwrite (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __s);
+
+#ifdef __USE_GNU
+/* This function does the same as `fputs' but does not lock the stream.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fputs_unlocked (const char *__restrict __s,
+ FILE *__restrict __stream);
+#endif
+
+#ifdef __USE_MISC
+/* Faster versions when locking is not necessary.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
+extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream);
+#endif
+
+
+/* Seek to a certain position on STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fseek (FILE *__stream, long int __off, int __whence);
+/* Return the current position of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern long int ftell (FILE *__stream) __wur;
+/* Rewind to the beginning of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void rewind (FILE *__stream);
+
+/* The Single Unix Specification, Version 2, specifies an alternative,
+ more adequate interface for the two functions above which deal with
+ file offset. `long int' is not the right type. These definitions
+ are originally defined in the Large File Support API. */
+
+#if defined __USE_LARGEFILE || defined __USE_XOPEN2K
+# ifndef __USE_FILE_OFFSET64
+/* Seek to a certain position on STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fseeko (FILE *__stream, __off_t __off, int __whence);
+/* Return the current position of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern __off_t ftello (FILE *__stream) __wur;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (fseeko,
+ (FILE *__stream, __off64_t __off, int __whence),
+ fseeko64);
+extern __off64_t __REDIRECT (ftello, (FILE *__stream), ftello64);
+# else
+# define fseeko fseeko64
+# define ftello ftello64
+# endif
+# endif
+#endif
+
+#ifndef __USE_FILE_OFFSET64
+/* Get STREAM's position.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
+/* Set STREAM's position.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fsetpos (FILE *__stream, const fpos_t *__pos);
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (fgetpos, (FILE *__restrict __stream,
+ fpos_t *__restrict __pos), fgetpos64);
+extern int __REDIRECT (fsetpos,
+ (FILE *__stream, const fpos_t *__pos), fsetpos64);
+# else
+# define fgetpos fgetpos64
+# define fsetpos fsetpos64
+# endif
+#endif
+
+#ifdef __USE_LARGEFILE64
+extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
+extern __off64_t ftello64 (FILE *__stream) __wur;
+extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
+extern int fsetpos64 (FILE *__stream, const fpos64_t *__pos);
+#endif
+
+/* Clear the error and EOF indicators for STREAM. */
+extern void clearerr (FILE *__stream) __THROW;
+/* Return the EOF indicator for STREAM. */
+extern int feof (FILE *__stream) __THROW __wur;
+/* Return the error indicator for STREAM. */
+extern int ferror (FILE *__stream) __THROW __wur;
+
+#ifdef __USE_MISC
+/* Faster versions when locking is not required. */
+extern void clearerr_unlocked (FILE *__stream) __THROW;
+extern int feof_unlocked (FILE *__stream) __THROW __wur;
+extern int ferror_unlocked (FILE *__stream) __THROW __wur;
+#endif
+
+
+/* Print a message describing the meaning of the value of errno.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void perror (const char *__s);
+
+/* Provide the declarations for `sys_errlist' and `sys_nerr' if they
+ are available on this system. Even if available, these variables
+ should not be used directly. The `strerror' function provides
+ all the necessary functionality. */
+#include <bits/sys_errlist.h>
+
+
+#ifdef __USE_POSIX
+/* Return the system file descriptor for STREAM. */
+extern int fileno (FILE *__stream) __THROW __wur;
+#endif /* Use POSIX. */
+
+#ifdef __USE_MISC
+/* Faster version when locking is not required. */
+extern int fileno_unlocked (FILE *__stream) __THROW __wur;
+#endif
+
+
+#ifdef __USE_POSIX2
+/* Create a new stream connected to a pipe running the given command.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern FILE *popen (const char *__command, const char *__modes) __wur;
+
+/* Close a stream opened by popen and return the status of its child.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int pclose (FILE *__stream);
+#endif
+
+
+#ifdef __USE_POSIX
+/* Return the name of the controlling terminal. */
+extern char *ctermid (char *__s) __THROW;
+#endif /* Use POSIX. */
+
+
+#if (defined __USE_XOPEN && !defined __USE_XOPEN2K) || defined __USE_GNU
+/* Return the name of the current user. */
+extern char *cuserid (char *__s);
+#endif /* Use X/Open, but not issue 6. */
+
+
+#ifdef __USE_GNU
+struct obstack; /* See <obstack.h>. */
+
+/* Write formatted output to an obstack. */
+extern int obstack_printf (struct obstack *__restrict __obstack,
+ const char *__restrict __format, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3)));
+extern int obstack_vprintf (struct obstack *__restrict __obstack,
+ const char *__restrict __format,
+ __gnuc_va_list __args)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 0)));
+#endif /* Use GNU. */
+
+
+#ifdef __USE_POSIX199506
+/* These are defined in POSIX.1:1996. */
+
+/* Acquire ownership of STREAM. */
+extern void flockfile (FILE *__stream) __THROW;
+
+/* Try to acquire ownership of STREAM but do not block if it is not
+ possible. */
+extern int ftrylockfile (FILE *__stream) __THROW __wur;
+
+/* Relinquish the ownership granted for STREAM. */
+extern void funlockfile (FILE *__stream) __THROW;
+#endif /* POSIX */
+
+#if defined __USE_XOPEN && !defined __USE_XOPEN2K && !defined __USE_GNU
+/* X/Open Issues 1-5 required getopt to be declared in this
+ header. It was removed in Issue 6. GNU follows Issue 6. */
+# include <bits/getopt_posix.h>
+#endif
+
+/* Slow-path routines used by the optimized inline functions in
+ bits/stdio.h. */
+extern int __uflow (FILE *);
+extern int __overflow (FILE *, int);
+
+/* If we are compiling with optimizing read this file. It contains
+ several optimizing inline functions and macros. */
+#ifdef __USE_EXTERN_INLINES
+# include <bits/stdio.h>
+#endif
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
+# include <bits/stdio2.h>
+#endif
+#ifdef __LDBL_COMPAT
+# include <bits/stdio-ldbl.h>
+#endif
+
+__END_DECLS
+
+#endif /* <stdio.h> included. */
projects / cross.git / blobdiff